The loathsome cruelty of mankind to man forms one of his inescapable characteristic and differentiative features; and is explicable only in terms of his carnivorous, and cannibalistic origin... The blood-bespattered, slaughter-gutted archives of history from the earliest Egyptian and Sumerian records to the most recent atrocities of the Second World War...[proclaim] this mark of Cain that separates man dietically from his anthropoidal relatives and allies him rather with the deadliest of the Carnivora.